248531 os1st performance sock uni bla 09074-96 Available in blue and black

Available in blue and black

this tee has a ribbed crew neck for extra durability

All seams are flat which do not chafe or irritate during the workout

But this t-shirt isn't just stylish and comfortable - it's also incredibly versatile

Grippy traction flexes with your foot and holds tight to pavement and blacktop

248531 os1st performance sock uni bla 09074-96 Available in blue and blackTA4 functional socks use OS1st's latest technology ThinAir, to create as airy and comfortable a sock as possible. With a very thin and airy top and a more padded underside, the result is cool with maximum comfort. We use OS1's patented technology for compression zones to create an anatomical fit and counteract chafing. If you need more relief for injury inflammation, you should look at the product FS4 from OS1st. TA4 is suitable for everyone who wants